how about this

Author: nedbat

.github/workflows/python-nightly.yml

@@ -82,9 +82,7 @@ jobs:
           export PATH="$PYENV_ROOT/bin:$PATH"
           echo "$PYENV_ROOT/shims:$PYENV_ROOT/bin" >> $GITHUB_PATH
           pyenv install $PYVER -v
-
-        #pyenv global $PYVER
-        #pyenv rehash
+          pyenv global $PYVER
 
       - name: "Show diagnostic info"
         run: |
@@ -108,10 +106,10 @@ jobs:
           assert getattr(sys, '_is_gil_enabled', lambda: True)() == (not '$EXPECTED'.endswith('t'))
           "
 
-      #- name: "Install dependencies"
-      #  run: |
-      #    python -m pip install -r requirements/tox.pip
-      #
-      #- name: "Run tox"
-      #  run: |
-      #    python -m tox -v -- -rfsEX
+      - name: "Install dependencies"
+        run: |
+          python -m pip install -r requirements/tox.pip
+
+      - name: "Run tox"
+        run: |
+          python -m tox -v -- -rfsEX